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Floodplain Information Report Volume 4 Colorado River Mainstem from Rifle to the Utah Stateline
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Floodplain Information Report Volume 4 Colorado River Mainstem from Rifle to the Utah Stateline
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Last modified
8/2/2012 8:47:48 AM
Creation date
7/26/2012 12:01:05 PM
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Floodplain Documents
Basin
Colorado Mainstem
Title
Floodplain Information Report Volume 4 Colorado River Mainstem from Rifle to the Utah Stateline
Date
3/1/1995
Prepared For
The Recovery Implementaiton Program for Endangered Fish Species in the Upper Colorado River Basin
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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The form of the equation is the same for the 50 -year frequency and the 100 -year frequency; only <br />the coefficients vary. <br />Colorado River mainstem <br />Downstream of Rifle <br />for 50 -year frequency: k= 74.3, c= 0.706 <br />' for 100 -year frequency: k= 71.28, c= 0.772 <br />3.3 Equation Selection Process <br />The CurveFit computer program analyzes the input data using a library of 25 equations. The <br />output displays the constants and the correlation values for each equation. The best fit equations <br />are chosen based on the correlation value closest to 1.0. For this report an additional step was <br />included in the selection of an equation. Of all the possible equations which fell within a <br />correlation value greater than 0.95, the least complex equation was chosen. The same equation <br />format was selected for both the 50 -year and 100 -year flow calculations. <br />' 3.4 Hydrologic Findings <br />Table 3 shows the results of this analysis in tabular form. Figure 5 shows the relationship <br />between 50 -year or 100 -year flow and drainage area, as described by these equations, in graphical <br />form. <br />0 <br />11 <br />
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